| Records |
Author  |
Brunet, J.-F. |
| Title |
Drainages miniers acides; contraintes et remedes; etat des connaissances--Acid mine drainage; problems and remediation techniques; state of the art |
Type |
Journal Article |
| Year |
2000 |
Publication |
Principaux Resultats Scientifiques – Bureau de Recherches Geologiques et Minieres |
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| Volume |
1999/2000 |
Issue |
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Pages |
97-98 |
| Keywords |
acid mine drainage; cost; decontamination; dissolved materials; efficiency; metals; pollutants; pollution; regulations; remediation; sulfides; technology; waste water; water treatment 22, Environmental geology |
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0766-7175 |
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Drainages miniers acides; contraintes et remedes; etat des connaissances--Acid mine drainage; problems and remediation techniques; state of the art; 2002-059955; France (FRA); GeoRef; French; English |
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no |
| Call Number |
CBU @ c.wolke @ 5888 |
Serial |
429 |
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| Author |
Burgess, J.E.; Stuetz, R.M. |
| Title |
Activated Sludge for the Treatment of Sulphur-rich Wastewaters |
Type |
Journal Article |
| Year |
2002 |
Publication |
Miner. Eng. |
Abbreviated Journal |
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| Volume |
15 |
Issue |
11 |
Pages |
839-846 |
| Keywords |
acid rock drainage biooxidation biotechnology environmental waste processing acid-mine drainage sulfate-reducing bacteria biological treatment waste-water metals acclimation remediation oxidation reduction removal |
| Abstract |
The aim of this investigation was to assess the potential of activated sludge for the remediation of sulphur-rich wastewaters. A pilot-scale activated sludge plant was acclimatised to a low load of sulphide and operated as a flow-through unit. Additional sludge samples from different full-scale plants were compared with the acclimatised and unacclimatised sludges using batch absorption tests. The effects of sludge source and acclimatisation on the ability of the sludge to biodegrade high loads of sulphide were evaluated. Acclimatisation to low-sulphide concentrations enabled the sludge to degrade subsequent high loads which were toxic to unacclimatised sludge. Acclimatisation was seen to be an effect of selection pressure on the biomass, suggesting that the treatment capability of activated sludge will develop after acclimation, indicating potential for treatment of acid mine drainage (AMD) by a standard wastewater treatment process. Existing options for biological treatment of AMD are described and the potential of activated sludge treatment for AMD discussed in comparison with existing technologies. (C) 2002 Elsevier Science Ltd. |
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0892-6875 |
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Nov.; Activated Sludge for the Treatment of Sulphur-rich Wastewaters; Isi:000179970500009; file:///C:/Dokumente%20und%20Einstellungen/Stefan/Eigene%20Dateien/Artikel/10093.pdf; AMD ISI | Wolkersdorfer |
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CBU @ c.wolke @ 10093 |
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40 |
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Burnett, M.; Skousen, J.G.; Skousen, J.G.; Ziemkiewicz, P.F. |
| Title |
Injection of limestone into underground mines for AMD control |
Type |
Book Chapter |
| Year |
1996 |
Publication |
Acid mine drainage control and treatment |
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Pages |
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acid mine drainage; acidification; alkalinity; carbonate rocks; chemical composition; coal fields; concentration; environmental analysis; environmental management; experimental studies; geologic hazards; ground water; hazardous waste; heavy metals; hydrology; land subsidence; limestone; mines; mining; mining geology; pH; pollution; Preston County West Virginia; reclamation; runoff; sedimentary rocks; Sovern Run Mine; surface water; underground mining; United States; waste management; water quality; West Virginia 22, Environmental geology |
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West Virginia University and the National Mine Land Reclamation Center |
Place of Publication |
Morgantown |
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Injection of limestone into underground mines for AMD control; GeoRef; English; 2004-051160; Edition: 2 References: 2; illus. incl. 1 table |
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no |
| Call Number |
CBU @ c.wolke @ 6370 |
Serial |
427 |
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| Author |
Burt, R.A.; Caruccio, F.T. |
| Title |
The effect of limestone treatments on the rate of acid generation from pyritic mine gangue |
Type |
Journal Article |
| Year |
1986 |
Publication |
Environmental geochemistry and health |
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| Volume |
8 |
Issue |
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Pages |
8 |
| Keywords |
mine water treatment |
| Abstract |
Surface water enters the Haile Gold Mine, Lancaster County, South Carolina by means of a small stream and is ponded behind a dam and in an abandoned pit. This water is affected by acidic drainage. In spite of the large exposures of potentially acid producing pyritic rock, the flux of acid to the water is relatively low. Nevertheless, the resulting pH values of the mine water are low (around 3.5) due to negligible buffering capacity. In view of the observed low release of acidity, the potential for acid drainage abatement by limestone ameliorants appears feasible. This study investigated the effects of limestone treatment on acid generation rates of the Haile mine pyritic rocks through a series of leaching experiments. Below a critical alkalinity threshold value, solutions of dissolved limestone were found consistently to accelerate the rate of pyrite oxidation by varying degrees. The oxidation rates were further accelerated by admixing solid limestone with the pyritic rock. However, after a period of about a month, the pyrite oxidation rate of the admixed samples declined to a level lower than that of untreated pyrite. Leachates produced by the pyrite and limestone mixtures contained little if any iron. Further, in the mixtures, an alteration of the pyrite surface was apparent. The observed behaviour of the treated pyrite appears to be related to the immersion of the pyrite grains within a high alkalinity/high pH environment. The high pH increases the rate of oxidation of ferrous iron which results in a higher concentration of ferric iron at the pyrite surface. This, in turn, increases the rate of pyrite oxidation. Above a threshold alkalinity value, the precipitation of hydrous iron oxides at the pyrite surface eventually outpaces acid generation and coats the pyrite surface, retarding the rate of pyrite oxidation. |
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0269-4042 |
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Sept; The effect of limestone treatments on the rate of acid generation from pyritic mine gangue; London: Chapman & Hall; file:///C:/Dokumente%20und%20Einstellungen/Stefan/Eigene%20Dateien/Artikel/7021.pdf; Opac |
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no |
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CBU @ c.wolke @ 7021 |
Serial |
14 |
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Calabrese, J.P.; Sexstone, A.J.; Bhumbla, D.K.; Skousen, J.G.; Bissonnette, G.K.; Sencindiver, J.C. |
| Title |
Long-term study of constructed model wetlands for treatment of acid mine drainage |
Type |
Book Chapter |
| Year |
1994 |
Publication |
Special Publication – United States. Bureau of Mines, Report: BUMINES-SP-06B-94 |
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Issue |
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Pages |
406 |
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acid mine drainage; alkalinity; biodegradation; field studies; iron; metals; models; monitoring; pH; pollution; reduction; remediation; sulfates; surface water; water quality; wetlands 22, Environmental geology |
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Proceedings of the International land reclamation and mine drainage conference and Third international conference on The abatement of acidic drainage; Volume 2 of 4; Mine drainage |
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Long-term study of constructed model wetlands for treatment of acid mine drainage; GeoRef; English; 2007-045256; International land reclamation and mine drainage conference; International conference on The abatement of acidic drainage, Pittsburgh, PA, United States, April 24-29, 1994 |
Approved |
no |
| Call Number |
CBU @ c.wolke @ 6631 |
Serial |
426 |
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